Fountain pen



oct. 9, 1923. 1,470,405

W. UHIL FOUNTAIN PEN Filed June 21, 1920 irren.. ist l fWILLIrnvrUHL,oneoennsfrfns;NEWS-YORK;assiettes oaonnetnt Vfria/.trattienefis.

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. .rouNailartesiti 'Appuatitii ined inne 21, i.

To (/.ZZ who/mit may 00u/cern.' K

Beit kno-wn that 1V1LLIAM Uirlifo'f Rochester, in. the.v county yofMonroe fand State of New York, have zinventedf'ce'rtaiii; new andusefulImprovements ini/Fountain vPens; and I dohereby declare`thefollowing toA be aA full, clear, andeXact descriptionfof the same,reference being hadto the accor/n1- panying drawingswforming apart .ofthis specification, and to the "referencel numerals marked thereon.

present iiii'ention relates toi'fountain pens 'and' more.particularlytoI the feeding devices thereof wherebythe'inlt frornffthereservoir .is carriedytol `the Apen prop'eri'and the inventionV has forf its `object .provide an improved',feeding device that will insure anadequate and uniform iow to the writing point at all times. Theimprovements are particularly applicable to multiple point pens havingmore than two tines rendering them capable of writing when held at anyangle in the manner of a stylographic pen and when so embodied, theobject of the invention, as above stated, is realized. To these andother ends the invention resides in certain improvements andcombinations of parts, all as will be hereinafter more fully described,the novel features being pointed out in the claims at the end of thespecification.

ln the drawings:

Figure l shows a side view of a fountain pen to which my improvedfeeding tongue may be applied;

Figure 2 shows an enlarged section through the lower end or point of thepen shown in Figure l, but showing the feeding point in elevation;

Figure 3 is a similar fragmentary section taken also through the feedingpoint;

Figure le is a section on the line 49m@ of Figure 3;

Figure 5 is a. section corresponding to Figure 3 through the point of amodified form of my invention;

Figure 6 is a section on the line (a-6 of Figure 5; l

Figure 'T is a section on the line 7a-7 of Figure 6.

Similar reference numerals throughout the several views indicate thesame parts,

Referring specifically to the particular embodiment of the inventionshown in the drawings, l indicates the tubular body or time "Cap siehthe ti gli havl end t reduce i@ eeh t ,y f' ying' therin enel-1 of the,This @resell "vjolirp` in fthe',V present ice',is.of f il leible'orcollaps ible, f .type being constitute@ by' fa i rubber sackfasis conn'non in selfiilling`p'ensQ-' .The k-'contained therein'*andl flving g T 'Ci "ndicatdfa "plug is ially "arrange'd'ja nd occupied by acylindrical tongue 8 thatfits it closely and is 'frictionally held inplace in a liquid-tight manner. It is tubular for 7 the major portion ofits length being provided with a central bore or cavity 9 that is inaxial alineinent and communicates with the passageway 7 of the plug. Anintermediate portion of the tongue at a point within the plug socket isreduced at 8 to provide an annular socket for the reception of thetubular shank portion 9a of a penpoint 2.' This pen is in the form of asymnietrically tapered hollow shell with the three slightly roundedfaces of a pyramid, Each such side or face constitutes a sepate tine.ythe shell being split as at 9b along each corner of the pyramid and eachtine being indicated at 8. The split portions, as usual, giveliexibility to the points or tincs and serve to assist the flow of inkalong the interior of the pen to the writing point. lecausc of thismultiple construction, the pen may be held at any angle during writi' inthe .manner of ay stylographic pen, that is, any one of the tines may beuppermoet.

Beyond the reduced intermediate portion 8 the feeding tongue has thesame pyram idal form as pen point Q as indicated at l0 and `fits closelywithin the interior of the pen point. Along its corner edges it is provided with laterally opening longitudinal slots or channels l() thatintersect the central bore 9 of the plug and also open against the innersurfaces of the pen point along and coincidently with the splits 9btherein. Each slot becomes sha-llower as it progresses toward thewriting point, the outer end thereof being preferably a shallow grooveor channel 11.

It Will thus be seen that in operation the ink flows from the reservoir5 through the passage 7 in the plug 6 and thence into the bore 9 of thefeeding tongue 8, finally emerging at the outer end of the latterthrough the slotted channels 10. It traverses the inner surface of thepen point following the grooves 11, ultimately reaching the Writingpoint. The capillary attraction in the channels and particularly in thesmall passages 11 holds back the flow until relieved by the flexing ofthe tines 3 and prevents flooding. p

In the embodiment of the invention shown in Figures 5, 6 and 7, thecentral bore 9 Within the shank ofthe tongue 8 is omitted and instead,the laterally opening longitudinal channels are slotted the full lengthof the tongue, as indicated at 13. The bot.. tom of the socket 7a isflared or enlarged, as shown at 14, and this permits the passage 7 tocommunicate directly with the slotted channels 13 and to deliver the inkthrough a greater ylength of channel to the Writing point.

The parts of the pen embodying my invention may be readily turnedseparately and easily assembled or taken apart and the forming o-f thefeed channels 10-l1 is a simple operation resulting from a single cut ofa milling tool before or after the center bore 9 has been drilled.

I claim as my invention:

1. In a fountain pen, the combination with a barrel having an inkreservoir therein and a Writing point split to form a plurality oftines, of a feeding tongue having a longitudinally extending interiorcavity communicating With the reservoir and also provided With alaterally opening longitudinal channel intersecting the outereXetrem'ityof the cavity at one end of theslot and extending to theinner surface of the Writing point, the other or outer end of the slotbeing relatively shallow and constituting a channel leading along thesurface of the tongue to the tip of the Writing point.

2. A feeding tongue provided with a pyramidal taper having channelsalong the edges of said taper and extending down to the apex of thepoint.

WILLIAM UHL.

